井漏与（）无关。
A、地层压力
B、地层渗透性
C、钻井工艺措施
D、钻压
参考答案：D
Don't waste your words any more; she is as _____ as a mule (骡子) and no one can persuade her. [ ]
A. reliable
B. stubborn
C. determined
D. tired
下列穴位与关元相平的是（）
A.归来
B.大赫
C.大横
D.外陵
E.水道
